Like all planets in the solar system, Earth grew billions of years ago as a result of the accumulation of matter falling from outer space. To this day, matter continues to land on the surface of the Earth in the form of meteorites. In fact, some of the water on the planet stems from comets and asteroids that have impacted Earth. But a 10- to 15-kilometer-large asteroid impacted Earth 65 million years ago, causing the extinction of many living species on the planet, including dinosaurs.
Earth to have close encounter with asteroid this week; event no cause for concern, says NASA naturalnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from naturalnews.com Daily Mail and Mail on Sunday newspapers.
World Asteroid Day: Know date, significance, history and more about the unique day
World Asteroid Day: The special day is observed to celebrate the anniversary of the Siberian Tunguska event. Read on to know more about it
Updated: Tue, 29 Jun 2021 10:19 PM IST
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New Delhi | Jagran Lifestyle Desk: World Asteroid Day also known as International Asteroid Day is a UN-sanctioned annual global event that is observed on June 30th.
World Asteroid Day: History
On June 30 in 1908, the most harmful known asteroid-related event took place which was the Siberian Tunguska event. And it s the anniversary of this event, that World Asteroid Day is observed annually.